-er -ic c-- ccc cce ccf cci ccn cco ccr ccu ccx ce- cec cee cef cei cen ceo cer ceu cex cfc cfe cff cfi cfn cfo cfr cfu cfx ci- cic cie cif cii cin cio cir ciu cix cn- cnc cne cnf cni cnn cno cnr cnu cnx co- coc coe cof coi con coo cor cou cox crc cre crf cri crn cro crr cru crx cuc cue cuf cui cun cuo cur cuu cxc cxf cxi cxo cxr cxx ec- ecc ece ecf eci ecn eco ecr ecu ecx eec eee eef een eeo eer eex ef- efc efe eff efi efo efr efx eic eie eif eii ein eio eir eiu eix en- enc ene enf eni enn eno enr enu eo- eoc eoe eof eoi eon eoo eor eou erc ere erf eri ern ero err eru eu- euc eue euf eui eun eur eux ex- exc exe exi exo exr exu exx fcc fce fcf fci fcn fco fcr fcu fcx fec fee fef fei fen feo fer feu fex ffc ffe fff ffi ffn ffo ffr ffu ffx fic fie fif fii fin fir fiu fix fnc fne fnf fni fnn fnr fnu fnx foc foe fof foi fon foo for fou fox frc fre frf fri frn fro frr fru fue fuf fui fun fuo fur fuu fux fxe fxi fxr fxu fxx i-f icc ice icf ici icn ico icr icu ie- iec iee ief iei ien ier iex ifc ife iff ifi ifn ifo ifr ifu ifx iic iie iif iii iin iio iir iiu iix in- inc ine inf ini inn ino inr inu inx io- ioc ioe iof ioi ion ioo ior iou ir- irc ire irf iri irn iro irr iru irx iu- iuc iue iui iur ixc ixe ixi ixn n-i ncc nce ncf nci ncn nco ncr ncu ncx ne- nec nee nef nei nen neo ner neu nex nfc nfe nff nfi nfn nfo nfr nfu nic nie nif nii nin nio nir niu nix nnc nne nnf nni nnn nno nnu no- noc noe nof noi non noo nor nou nox nrc nre nrf nri nrn nro nrr nru nrx nuc nue nui nun nuo nur nuu nux nxc o-i oc- occ ocf oci ocn oco ocr ocu ocx oec oee oef oei oen oeo oer oex of- ofc ofe off ofi ofn ofo ofr ofu ofx oic oie oif oii oin oio oir oiu on- onc one onf oni onn ono onr onu onx oo- ooc oof ooi oon ooo oor oox or- orc ore orf ori orn oro orr oru orx ou- ouc oue ouf oui oun ouo our ox- oxc oxf oxi oxn oxo oxx rcc rce rcf rci rcn rco rcr rcu rcx re- rec ree ref rei ren reo rer reu rex rfc rfe rff rfi rfn rfo rfr rfu ric rie rif rii rin rio rir rix rnc rni rnn rno rnr rnu roc roe rof roi ron roo ror rou rox rrc rrf rri rrn rrr rru ruc rue ruf rui run ruo rur ruu rux rxr ucc uce ucf uci ucn uco ucr ucu uec uee uef uei uen uer ufc ufe uff ufi ufn ufo ufr ufu ufx uic uie uif uii uin uio uir uiu un- unc une unf uni unn uno unr unu unx uoc uoe uon uoo uor uox ur- urc ure urf uri urn uro urr uru urx uuc uue uun uur uuu uxc uxf uxo uxr uxu xcf xci xcr xcx xee xen xer xeu xex xfe xfn xfx xic xie xii xin xio xiu xix xnc xno xnu xoc xof xoi xon xoo xor xox xrc xrf xrx xue xui xun xxi xxo xxx